It may be cliché to stick a bunch of Xs and Rs on a tweaked econobox and call it a performance brand, but some clichés are just fine for getting the job done. For Kia, XR will mean performance — that is, turbocharging in Europe, supercharging for US-bound cars. Kia told Autocar it's calling that strategy "glocal" —… »5/22/07 11:36am 5/22/07 11:36am